bigSceneEdit/src/router/index.js

import Vue from 'vue'
import Router from 'vue-router'
import List from '@/pages/list'
import Add from '@/pages/add'
import Login from '@/pages/login'

Vue.use(Router)

let router = new Router({
  routes: [
    {
      path: '/list',
      name: 'List',
      component: List
    }, 

    {
      path: '/add',
      name: 'add',
      component: Add
    }, {
      path: '/login',
      name: 'login',
      component: Login
    }
  ]
})

router.beforeEach((to, from, next) => {
  next()
  let token = window.localStorage.getItem('cjt_token')
  if (token) {
    if (to.path === '/login') {
      next({ path: '/list' })
    } else {
      next()
    }
  } else {
    next({ path: '/login' })
  }
})
export default router